ʻO ka pauka Putty ka nui o nā mea hana kiʻiʻoniʻoni (mea hoʻopili), nā mea hoʻopihapiha, nā mea mālama wai, nā mānoanoa, nā defoamers, a me nā mea ʻē aʻe. dispersible latex pauda, etc. ʻO ka hana a me ka hoʻohana ʻana i nā ʻano mea maka kemika e nānā ʻia i kēlā me kēia ma lalo.
1: Ka wehewehe a me ka ʻokoʻa o ka fiber, cellulose a me cellulose ether
ʻO ka Fiber (US: Fiber; English: Fiber) pili i kahi mea i haku ʻia me nā fila hoʻomau a ʻoki ʻole paha. E like me ka mea kanu fiber, ka lauoho holoholona, ka silk fiber, ka synthetic fiber, etc.
ʻO ka Cellulose kahi polysaccharide macromolecular i haku ʻia me ka glucose a ʻo ia ka mea nui i kūkulu ʻia o nā paia o nā mea kanu. Ma ka lumi wela, ʻaʻole hiki ke hoʻoheheʻe ʻia ka cellulose i ka wai a i ʻole i nā mea hoʻoheheʻe kūlohelohe maʻamau. ʻO ka cellulose maʻiʻo o ka pulupulu kokoke i 100%, e hoʻolilo iā ia i kumu maoli maoli o cellulose. I ka lāʻau maʻamau, helu ʻia ka cellulose no 40-50%, a aia he 10-30% hemicellulose a me 20-30% lignin. ʻO ka ʻokoʻa ma waena o ka cellulose ('ākau) a me ka starch (hema):
ʻO ka ʻōlelo maʻamau, ʻo ka starch a me ka cellulose he macromolecular polysaccharides, a hiki ke hōʻike ʻia ke ʻano molekala e like me (C6H10O5)n. ʻOi aku ka nui o ke kaumaha o ka cellulose ma mua o ka starch, a hiki ke hoʻoheheʻe ʻia ka cellulose e hana i ka starch. ʻO ka cellulose ka D-glucose a me ka β-1,4 glycoside Macromolecular polysaccharides i haku ʻia me nā mea paʻa, ʻoiai ka starch i hana ʻia e nā paʻa α-1,4 glycosidic. ʻAʻole lālā ʻo Cellulose, akā hoʻopili ʻia ka starch e 1,6 mau mea paʻa glycosidic. ʻAʻole hiki ke hoʻoheheʻe ʻia ka cellulose i ka wai, ʻoiai ʻo ka starch e hoʻoheheʻe ʻia i ka wai wela. ʻAʻole ʻike ʻia ka cellulose i ka amylase a ʻaʻole e lilo i polū ke ʻike ʻia i ka iodine.
ʻO ka inoa Pelekania o cellulose ether he cellulose ether, he pūhui polymer me ka hale ether i hana ʻia me ka cellulose. ʻO ia ka huahana o ka hopena kemika o cellulose (mea kanu) me ka etherification agent. E like me ka hoʻokaʻawale ʻana o ke kinona o ka substituent ma hope o ka etherification, hiki ke hoʻokaʻawale ʻia i nā ethers anionic, cationic a me nonionic. Ma muli o ka etherification agent i hoʻohanaʻia, aia nā methyl cellulose, hydroxyethyl methyl cellulose, carboxymethyl cellulose, ethyl cellulose, benzyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose cellulose, cyanoethyl cellulose, benzyl cyanoethyl cellulose, carboxymethyl cellulose a me nā mea'ē aʻe. ke kukulu ana ʻoihana, kapa ʻia ʻo cellulose ether he cellulose, he inoa maʻamau, a ua kapa ʻia ʻo cellulose (a i ʻole ether) pololei. ʻO ka mīkini mānoanoa o ka cellulose ether mānoanoa ʻO ka cellulose ether mānoanoa he mānoanoa non-ionic, e mānoanoa nui ma ka hydration a me ka hoʻopili ʻana ma waena o nā mole. He maʻalahi ke kaulahao polymer o cellulose ether e hana i ka paʻa hydrogen me ka wai i loko o ka wai, a ʻo ka paʻa hydrogen e loaʻa ai ka hydration kiʻekiʻe a me ka hoʻopili ʻana i waena o ka molecular.
Ke hoʻohui ʻia ka mānoanoa cellulose ether i ka pena latex, e hoʻomoʻi i ka nui o ka wai, e hoʻonui nui ai i kāna leo ponoʻī, e hōʻemi ana i ka wahi manuahi no nā puaʻa, nā mea hoʻopihapiha a me nā ʻāpana latex; i ka manawa like, ua hoʻopili ʻia nā kaulahao molekika cellulose ether e hana i kahi ʻano ʻoihana ʻekolu-dimensional, a ua hoʻopaʻa ʻia ka waihoʻoluʻu Fillers a me nā ʻāpana latex i waenakonu o ka mesh a hiki ʻole ke kahe manuahi. Ma lalo o kēia mau hopena ʻelua, hoʻomaikaʻi ʻia ka viscosity o ka ʻōnaehana! Loaʻa i ka hopena mānoanoa a mākou e pono ai!
Cellulose maʻamau (ether): Ma ka ʻōlelo maʻamau, ʻo ka cellulose i ka mākeke e pili ana i ka hydroxypropyl, hoʻohana nui ʻia ka hydroxyethyl no ka pena, ka pena latex, a hoʻohana ʻia ka hydroxypropyl methylcellulose no ka mortar, putty a me nā huahana ʻē aʻe. Hoʻohana ʻia ʻo Carboxymethyl cellulose no ka pauka putty maʻamau no nā paia o loko. ʻO Carboxymethyl cellulose, ʻike ʻia hoʻi ʻo ka sodium carboxymethyl cellulose, i kapa ʻia (CMC): Carboxymethyl cellulose (CMC) he mea ʻawaʻawa ʻole, ʻaʻole keʻokeʻo keʻokeʻo flocculent pauka me ka hana paʻa a hiki ke maʻalahi i ka wai. Hiki ke hoʻoheheʻe ʻia i loko o nā glues a me nā resins ʻē aʻe, hiki ke hoʻoheheʻe ʻia i loko o nā mea hoʻoheheʻe kūlohelohe e like me ka ethanol. Hiki ke hoʻohana ʻia ʻo CMC ma ke ʻano he binder, thickener, suspending agent, emulsifier, dispersant, stabilizer, sizing agent, etc. ʻO Carboxymethyl cellulose (CMC) ka huahana me ka mea nui loa, ka laulā o ka hoʻohana ʻana, a me ka hoʻohana maʻalahi ma waena o nā cellulose ethers , i ʻike nui ʻia ʻo "industrial monosodium glutamate". Loaʻa i ka Carboxymethyl cellulose nā hana o ka hoʻopaʻa ʻana, mānoanoa, hoʻoikaika, emulsifying, paʻa wai a me ka hoʻokuʻu. 1. Hoʻohana i ka sodium carboxymethyl cellulose i loko o ka ʻoihana meaʻai: ʻo ka sodium carboxymethyl cellulose ʻaʻole ia he emulsification stabilizer a me ka mānoanoa i nā noi meaʻai, akā loaʻa nō hoʻi ke kūpaʻa hau a me ka hoʻoheheʻe ʻana, a hiki ke hoʻomaikaʻi ʻO ka ʻono o ka huahana e hoʻolōʻihi i ka manawa mālama. 2. ʻO ka hoʻohanaʻana i ka sodium carboxymethyl cellulose i loko o kaʻoihana lāʻau lapaʻau: hiki ke hoʻohanaʻia e like me ka emulsion stabilizer no nā injections, kahi mea hoʻopaʻa a me ka mea hana kiʻiʻoniʻoni no nā papa ma kaʻoihana lāʻau. 3. Hiki ke hoʻohana ʻia ka CMC ma ke ʻano he anti-settling agent, emulsifier, dispersant, leveling agent, a me ka mea hoʻopili no nā uhi. Hiki iā ia ke hoʻokaʻawale i ka ʻike paʻa o ka uhi i loko o ka mea hoʻoheheʻe, i ʻole e delaminate ka uhi no ka manawa lōʻihi. Hoʻohana nui ʻia ia i loko o ka pena. 4. Hiki ke hoʻohana ʻia ka sodium carboxymethyl cellulose e like me ka flocculant, chelating agent, emulsifier, thickener, water retaining agent, sizing agent, film-forming material, etc. ʻO ka ʻoihana kemika hoʻohana i kēlā me kēia lā a me nā māla ʻē aʻe, a ma muli o kāna hana maikaʻi loa a me ka nui o ka hoʻohana ʻana, ke hoʻomohala mau nei ia i nā kahua noi hou, a me ka manaʻo o ka mākeke. he ākea loa. Nā laʻana no ka hoʻohana ʻana: ʻo ka pā o waho ka pauka putty pauka ʻano hoʻohālike i loko o ka paia putty pauka kumu 1 Shuangfei pauda: 600-650kg 1 Shuangfei pauda: 1000kg 2 Sima keʻokeʻo: 400-350kg 2 Pregelatinized starch: 5-6kg 3 Pregelatinized starch: 5 -6kg 3 CMC -15kg a i ʻole HPMC2.5-3kg4 CMC: 10-15kg a i ʻole HPMC2.5-3kg Putty pauka i hoʻohui ʻia i ka carboxymethyl cellulose CMC, pregelatinized starch hana: ① Loaʻa i ka wikiwiki wikiwiki Thickening hiki; ka hana hoʻopaʻa ʻana, a me ka mālama ʻana i ka wai; ② E hoʻomaikaʻi i ka anti-sliding hiki (sagging) o ka mea, hoʻomaikaʻi i ka hana hana o ka mea, a hoʻomaʻamaʻa i ka hana; e hooloihi i ka manawa wehe o ka mea. ③ Ma hope o ka maloʻo ʻana, maʻemaʻe ka ʻili, ʻaʻole e hāʻule i ka pauka, loaʻa nā waiwai kiʻiʻoniʻoni maikaʻi a ʻaʻohe ʻōpala. ④ ʻOi aku ka mea nui, he liʻiliʻi ke ʻano, a hiki i kahi mea haʻahaʻa haʻahaʻa ke loaʻa kahi hopena kiʻekiʻe; i ka manawa like, ua ho'ēmiʻia ke kumukūʻai hana ma kahi o 10-20%. I ka ʻoihana kūkulu, hoʻohana ʻia ʻo CMC i ka hana ʻana i nā preforms concrete, hiki ke hōʻemi i ka nalowale o ka wai a hana ma ke ʻano he retarder. ʻOiai no ke kūkulu nui ʻana, hiki iā ia ke hoʻomaikaʻi i ka ikaika o ka koneki a hoʻomaʻamaʻa i nā preforms e hāʻule mai ka membrane. ʻO ke kumu nui ʻē aʻe ʻo ka ʻoki ʻana i ka pā keʻokeʻo a me ka pauka putty, putty paste, hiki ke mālama i ka nui o nā mea kūkulu hale a hoʻonui i ka pale pale a me ka mālamalama o ka pā. ʻO Hydroxyethyl methylcellulose, i ʻōlelo ʻia (HEC): ʻano hana kemika:
1. Introduction to hydroxyethyl cellulose: Hydroxyethyl cellulose (HEC) he non-ionic cellulose ether i hana ʻia mai ka cellulose material polymer maoli ma o ke kaʻina hana kemika. He mea ʻala ʻole, ʻono ʻole, ʻaʻohe mea ʻawaʻawa keʻokeʻo a i ʻole granule, hiki ke hoʻoheheʻe ʻia i loko o ka wai anuanu e hana i kahi hopena viscous akaka, a ʻaʻole pili ka dissolution i ka waiwai pH. He mānoanoa, hoʻopaʻa, dispersing, emulsifying, film-forming, suspending, adsorbing, surface active, moisture-retaining a me ka paʻakai paʻakai.
2. Nā hōʻailona ʻenehana Project maʻamau Nānā Keʻokeʻo a melemele ka pauka Molar substitution (MS) 1.8-2.8 Water insoluble matter (%) ≤ 0.5 Loss on drying (WT%) ≤ 5.0 Residue on ignition (WT%) ≤ 5.0 PH value 6.0- 8.5 ʻO ka viscosity (mPa.s) 2%, 30000, 60000, 100000 aqueous solution ma 20°C ʻEkolu, nā pono o ka hydroxyethyl cellulose Ka hopena mānoanoa
● Hāʻawi ʻo Hydroxyethyl cellulose i nā waiwai hoʻopili maikaʻi loa no nā uhi latex, ʻoi aku ka nui o nā pale PVA kiʻekiʻe. ʻAʻole hiki mai ka flocculation ke kūkulu ʻia ka pena.
● ʻO ka hydroxyethyl cellulose ka hopena mānoanoa kiʻekiʻe. Hiki iā ia ke hōʻemi i ka dosage, hoʻomaikaʻi i ka hoʻokele waiwai o ke ʻano, a hoʻomaikaʻi i ke kūpaʻa scrub o ka uhi.
ʻO nā waiwai rheological maikaʻi loa
● ʻO ka wai wai o ka hydroxyethyl cellulose he ʻōnaehana non-Newtonian, a ua kapa ʻia ka waiwai o kāna hopena he thixotropy.
● Ma ka moku'āina kūʻokoʻa, ma hope o ka hoʻoheheʻe ʻia ʻana o ka huahana, mālama ka ʻōnaehana pale i ka mānoanoa maikaʻi loa a me ka wehe ʻana.
● I ke kūlana o ka nininiʻana, mālama ka'ōnaehana i ka viscosity maʻamau, i mea e loaʻa ai ka maikaʻi maikaʻi o ka huahana aʻaʻole e paʻi.
● Ke hoʻohana ʻia e ka pulupulu a me ka wili, laha maʻalahi ka huahana ma luna o ka substrate. He kūpono no ke kūkulu ʻana. I ka manawa like, loaʻa iā ia ka pale splash maikaʻi.
● ʻO ka hope, ma hope o ka pau ʻana o ka uhi ʻana, hoʻihoʻi koke ka viscosity o ka ʻōnaehana, a lele koke ka uhi.
Hoʻopuehu a hoʻoheheʻe
● Hoʻopili ʻia ka hydroxyethyl cellulose me ka hoʻoheheʻe lohi, hiki ke pale pono i ka agglomeration ke hoʻohui ʻia ka pauka maloʻo. Ma hope o ka hōʻoia ʻana ua hoʻopuehu maikaʻi ʻia ka pauka HEC, e hoʻomaka i ka hydration.
● Hiki i ka Hydroxyethyl cellulose me ka hoʻomaʻamaʻa ʻili kūpono ke hoʻoponopono i ka helu dissolution a me ka piʻi ʻana o ka viscosity o ka huahana.
kūpaʻa mālama
● Hiki i ka Hydroxyethyl cellulose nā waiwai anti-mildew a hāʻawi i ka manawa mālama pena. Kāohi maikaʻi i nā puaʻa a me nā mea hoʻopihapiha mai ka hoʻopaʻa ʻana. 4. Pehea e hoʻohana ai: (1) Hoʻohui pololei i ka wā o ka hana ʻana ʻO kēia ʻano ka mea maʻalahi a lawe i ka manawa pōkole loa. Penei nā ʻanuʻu: 1. E hoʻohui i ka wai maʻemaʻe i loko o kahi bākeke nui i hoʻolako ʻia me ka mea hoʻouluulu shear kiʻekiʻe. 2. E hoʻomaka e hoʻoulu mau me ka māmā haʻahaʻa a kānana mālie i ka hydroxyethyl cellulose i loko o ka hopena. 3. E hoʻomau i ka hoʻoulu ʻana a hiki i ka pau ʻana o nā ʻāpana. 4. A laila e hoʻohui i ka antifungal agent a me nā mea hoʻohui like ʻole. E like me nā puaʻa, nā mea hoʻopuehu, ka wai amonia, a me nā mea ʻē aʻe. 5. E hoʻoulu a hiki i ka pau ʻana o ka hydroxyethyl cellulose (e piʻi nui ka viscosity o ka hopena) ma mua o ka hoʻohui ʻana i nā mea ʻē aʻe i loko o ke ʻano no ka pane ʻana. (2) E hoʻomākaukau i ka waiʻona makuahine no ka hoʻohana ʻana: ʻO kēia ʻano hana ka hoʻomākaukau ʻana i ka waiʻona makuahine me ka ʻoi aku ka kiʻekiʻe ma mua, a laila hoʻohui i ka huahana. ʻO ka maikaʻi o kēia ʻano hana ʻoi aku ka maʻalahi a hiki ke hoʻohui pololei ʻia i ka huahana i hoʻopau ʻia, akā pono e mālama pono ʻia. Ua like nā ʻanuʻu me nā ʻanuʻu (1–4) ma ke ʻano (1): ʻo ka ʻokoʻa, ʻaʻole pono ka mea hoʻouluulu kiʻekiʻe, ʻo kekahi mau mea hoʻouluulu me ka mana lawa e mālama i ka hydroxyethyl cellulose i hoʻopuehu like ʻia i loko o ka hopena, e hoʻomau i ka hoʻoulu ʻana a pau loa. i loko o kahi hāneʻe viscous. Pono e hoʻomaopopo ʻia e hoʻohui ʻia ka mea antifungal i ka waiʻona makuahine i ka hiki. V. Hoʻohana 1. Hoʻohana ʻia i ka pena latex wai: HEC, ma ke ʻano he colloid pale, hiki ke hoʻohana ʻia i ka vinyl acetate emulsion polymerization e hoʻomaikaʻi i ka paʻa o ka ʻōnaehana polymerization i kahi ākea o nā waiwai pH. I ka hana ʻana i nā huahana i hoʻopau ʻia, hoʻohana ʻia nā mea hoʻohui e like me nā puaʻa a me nā mea hoʻopihapiha e hoʻopuehu like, hoʻopaʻa a hāʻawi i nā hopena mānoanoa. Hiki ke hoʻohana ʻia ma ke ʻano he dispersant no nā polymers suspension e like me styrene, acrylate, a me propylene. Hoʻohana ʻia i ka pena latex hiki ke hoʻomaikaʻi maikaʻi i ka mānoanoa a me ka hana pae. 2. Ma keʻano o kaʻailaʻaila: Hoʻohanaʻiaʻo HEC ma keʻano he mānoanoa i nā lepo likeʻole e pono ai no ka wiliʻana, ka hoʻoponopono maikaʻiʻana, ka maikaʻi cementing a me ka haʻihaʻiʻana i nā hana, i hiki ai i ka lepo ke loaʻa ka wai maikaʻi a me ka paʻa. E hoʻomaikaʻi i ka lawe ʻana i ka lepo i ka wā e wili ai, a pale i ka nui o ka wai mai ke komo ʻana i ka ʻaila ʻaila mai ka lepo, e hoʻopaʻa i ka mana hana o ka ʻaila ʻaila. 3. Hoʻohana ʻia i ke kūkulu hale a me nā mea hana hale: Ma muli o kona ikaika paʻa wai, HEC he mea mānoanoa maikaʻi a hoʻopaʻa ʻia no ka slurry sima a me ka mortar. Hiki ke hoʻohui ʻia i loko o ka mortar e hoʻomaikaʻi i ka fluidity a me ka hana hana, a e hoʻolōʻihi i ka manawa hoʻoheheʻe wai, E hoʻomaikaʻi i ka ikaika mua o ke kaila a pale i nā māwae. Hiki iā ia ke hoʻomaikaʻi maikaʻi i ka paʻa ʻana o ka wai a me ka ikaika hoʻopaʻa ʻana ke hoʻohana ʻia no ka hoʻopili ʻana i ka plaster, ka plaster hoʻopaʻa, a me ka plaster putty. 4. Hoʻohana ʻia i ka toothpaste: ma muli o kona kūpaʻa ikaika ʻana i ka paʻakai a me ka waikawa, hiki i ka HEC ke hōʻoia i ka paʻa o ka toothpaste. Eia kekahi, ʻaʻole maʻalahi ka maloʻo ʻana o ka niho niho ma muli o kona ikaika paʻa wai a me ka hiki ke emulsifying. 5. Ke hoʻohana ʻia i ka inika wai, hiki i ka HEC ke hoʻomaloʻo i ka ʻīnika me ka hikiwawe a impermeable. Eia kekahi, hoʻohana nui ʻia ʻo HEC i ka paʻi textile a me ke kala, ka hana pepa, nā kemika i kēlā me kēia lā a pēlā aku. 6. Nā mea e mālama ai no ka hoʻohana ʻana iā HEC: a. Hygroscopicity: ʻO nā ʻano hydroxyethyl cellulose HEC he hygroscopic. ʻOi aku ka nui o ka wai ma lalo o 5% i ka wā e haʻalele ai i ka hale hana, akā ma muli o ke ʻano o ka halihali a me ka mālama ʻana, ʻoi aku ka kiʻekiʻe o ka wai ma mua o ka haʻalele ʻana i ka hale hana. I ka hoʻohana ʻana, e ana wale i ka ʻiʻo wai a unuhi i ke kaumaha o ka wai i ka wā e helu ai. Mai hōʻike i ka lewa. b. Pahū ka lepo lepo: inā i ka lewa nā pauka organik a me ka pauka lepo hydroxyethyl cellulose i ka lewa, e pahū pū lākou i ka wā e hālāwai ai lākou me kahi wahi ahi. Pono e hana ʻia ka hana kūpono e pale aku i ka pauka lepo i ka lewa e like me ka hiki. 7. Nā kikoʻī kikoʻī: Hana ʻia ka huahana me ka ʻeke pepa-plastic composite i hoʻopaʻa ʻia me ka ʻeke i loko polyethylene, me ka paona ʻupena he 25 kg. E kūʻai ma kahi maloʻo a maloʻo i loko o ka hale i ka wā e mālama ai, a e makaʻala i ka makū. E makaʻala i ka ua a me ka pale ʻana i ka lā i ka wā o ka lawe ʻana. ʻO ka Hydroxypropyl methyl cellulose, i kapa ʻia (HPMC): hydroxypropyl methyl cellulose (HPMC) he mea ʻala ʻole, ʻono ʻole, ʻaʻohe mea ʻawaʻawa keʻokeʻo pauka, aia ʻelua ʻano o ka koke a me ka ʻole, koke, Ke hālāwai me ka wai anuanu, wikiwiki ia. hoʻopuehu a nalowale i loko o ka wai. I kēia manawa, ʻaʻohe viscosity o ka wai. Ma hope o 2 mau minuke, piʻi ka viscosity o ka wai, e hana ana i kahi colloid viscous transparent. ʻAno wikiwiki ʻole: Hiki ke hoʻohana wale ʻia i nā huahana pauka maloʻo e like me ka pauka putty a me ka mortar sima. ʻAʻole hiki ke hoʻohana ʻia i loko o ke kāpili wai a me ka pena, a e hoʻopili ʻia.
Ka manawa hoʻouna: Dec-26-2022